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【单选题】
SX型静态混合器单元结构特点是（）。A.
由一定规格的波纹板组装而成的圆柱体
B.
由交叉的横条按一定规律构成许多X形单元
C.
由交叉的横条按一定规律构成单X形单元
D.
由双孔道单元组成单元之间设有流体再分配室
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举一反三
【判断题】The coldest temperatures in the world are found in high-altitude climates.
A.
正确
B.
错误
【简答题】[航空运费计算] 现有一批货物毛重280千克,从我国北京空运至英国伦敦。根据《航空货物公布直达运价》可知45千克以上300千克以下的运价为40元/千克,300千克以上500千克以下的运价为35元/千克。请计算应收运费。
【单选题】In the past 40 years, the average temperatures in the Arctic ______.
A.
have been rising as quickly as the global temperatures' rising'
B.
have been rising more slowly than the global temperatures' rising
C.
have been rising more quickly than the global average temperatures' rising
【单选题】In the past 40 years, the average temperatures in the Arctic___
A.
have been rising as quickly as the global average temperatures' rising
B.
have been rising more slowly than the global average temperatures' rising
C.
have been rising more quickly than the global average temperatures' rising
【判断题】The temperatures in Britain are rarely lower than 0 c( centidegree ) in winter or higher than 32 C in Summer.
A.
正确
B.
错误
【简答题】现有一批货物毛重280千克，从我国北京空运至英国伦敦。根据《航空货物公布直达运价》可知45千克以上300千克以下的运价为40元/千克，300千克以上500千克以下的运价为35元/千克。 请计算应收运费。
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